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Lina20 [59]
3 years ago
12

Anne has difficulty moving her arm when it is stimulated. Specifically, the brain receives the stimulation, and it and the spina

l cord are functioning normally. Which type of neuron is probably affected?
Physics
1 answer:
Stolb23 [73]3 years ago
6 0

Answer:

Motor Neurons

Explanation:

Motor neurons are the only neurons in the body that have the function to control the effector organs and muscles of the body. Anne may have pushed toward paralysis due to some kind of muscle weakness caused by a neuromuscular syndrome.

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A 50 kg car is pushed so that it speeds up from 20 m/s to 50 m/s in 3 seconds. What is the force acting on the car?
egoroff_w [7]

Answer:

A. 500 N

Explanation:

Acceleration is change in velocity over change in time.

a = Δv / Δt

a = (50 m/s − 20 m/s) / 3 s

a = 10 m/s²

Force is mass times acceleration.

F = ma

F = (50 kg) (10 m/s²)

F = 500 N

3 0
3 years ago
Initially at rest a single-stage rocket is launched vertically from the ground. The rocket’s thrust overcomes gravity and provid
Lelechka [254]

Answer:

Explanation:

Let a be the acceleration of launch. In 10 seconds , Distance gone up in 10 seconds

s = 1/2at²

= .5 x a x 100

=50a

Velocity after 10 s

u = at = 10a

Now 50a distance in downward direction is travelled in 20 s with initial velocity 10a in upward direction.

s = ut + 1/2 gt²

50a = -10ax20 + .5 x 10x400

250a = 2000

a = 8 m s⁻² .

Velocity after 10 s

= at = 80 m/s

further height reached with this speed under free fall

h = v² / 2g

= 80 x 80 / 2 x 10

= 320 m

height achieved under acceleration

= 50a

= 50 x 8 = 400m

Total height

= 320 + 400= 720 m

velocity after falling from 720 m

v² = 2gh = 2 x10 x 720

v = 120 m/s

7 0
3 years ago
Read 2 more answers
What is the difference between transformation of energy and transfer of energy​
Svetllana [295]

Search Results

Featured snippet from the web

In energy transfer, happens from one object to another without changing its form. For example, when you fill a pot of water and sit it on the stove, the water continues to heat until you turn it off. While in a energy transformation, the energy changes forms such as Chemical, kinetic.

6 0
4 years ago
Calculate the acceleration of a car that can go from rest to 100 km/h in 10 seconds
Basile [38]

Answer: 2.77 m/s^{2}

Explanation:

Acceleration a is defined as the variation of velocity \Delta V with time \Delta t:

a=\frac{\Delta V}{\Delta t}

Where:

\Delta V=100km/h-0km/h=100km/h=27.77m/s

\Delta t=10 s

a=\frac{27.77m/s}{10 s}

Finally:

a=2.77m/s^{2}

8 0
4 years ago
A box sitting still on the ground by itself has a Normal Force of 700N, what is the mass? (gravity’s acceleration is 9.80 m/s²)
alukav5142 [94]

Answer:

Mass, m = 71.42 kg

Explanation:

Given that,

Normal force acting on a box, F = 700 N

We need to find the mass of a box. Let it is m. Normal force acting on an object is balanced by its weight such that,

F = mg

Where m is the mass of the box

m=\dfrac{F}{g}\\\\m=\dfrac{700\ N}{9.8\ m/s^2}\\\\m=71.42\ kg

So, the mass of the box is 71.42 kg.

6 0
3 years ago
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